Questions tagged [cycles]

Cycles is a ray tracing render engine that can be used to achieve photo realistic results in Blender. It was introduced officially in 2.61. Use this tag for any Cycles related posts.

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26 views

cpu rendering very slow with bump mapping

In blender this scene takes around 1 hour to render on cpu with bump mapping enabled but if I change the option to true displacement or microdisplacement it only takes around 2 minutes to render. I ...
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Shine Through Texture [duplicate]

In Blender, I was wondering how to make an effect that is usually seen when the light shines through a material giving it a glow effect. Examples are: • When you hold an empty plastic bottle to the ...
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Is Blender Cycles rendering, killing my CPU?

I am using blender on and off, and I just checked the cpu temperature history and its high was 108 degrees for an laptop. I also just used a desktop that used 98.9% of the cpu when in cycles render ...
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How can to link the colour of a point light to the RGB colour of another object in the same scene?

In my scene I would like to link the colour of the point light to be the same as the colour of another object, which is determined by the shader applied to that object. The output of that shader is ...
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49 views

Where is the Clamp Node

I've been experimenting with nodes recently and following along with other people's work. I've noticed they used a clamp node that I cannot seem to find in the search menu. This blender documents say ...
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44 views

Why don't I see light reflected off a mirror in Cycles?

I want to render mirror balls. In the real world you would hit each mirror ball with a spot light. To test if this would work in Cycles, I made a mirror ball and hit it with two spot lights (shown ...
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52 views

My mirror ball is not shading correctly - it looks too flat

I have a 32x32 UV sphere in blender. I have it set to "shade flat". What I want is each square face to be clearly defined and visible (like shading flat normally does). It looks basically correct in ...
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2.8 obj is visible in render view but not in final render img

In my scene is just one plane with a material that cares about displacment and textures. The backgroung is a hdri background image. in the image below you see my scene from the camera in render view. ...
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Sample line graph plot - what is the XY axis represent?

According to the manual, the "histogram" graph plot has the X axis represents values of pixel, from 0 to 1 (or 0 to 255), while the Y axis represents the number of pixels in that tonal range. When I ...
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11 views

Object Particles Won't Render in Cycles

Says it right in the title. I'm trying to render particles in cycles, I have everything visible and the particles are assigned as objects. I'm sure I'm doing everything right, but obviously I'm not. ...
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38 views

How to add Depth of field in Cycles render?

I find myseld wanting to add multiple visual effects in Blender Cycles but I can't find any, like Bloom and depth of field etc. How do I go about adding these in my cycles renders?
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One object turns gray in rendered/cycles view

I know this has been asked before, but my issue doesn't seem to be the same as anyone else's. One of my objects renders just fine in the viewport and under Eevee, but disappears into the solid gray ...
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How do I render a cycles animation with mainly my GPU on Blender 2.81? (Windows 10) [duplicate]

I've got an Intel core i7-9700k CPU and a recently installed NVIDIA GeForce GTX 1660 Ti graphics card. When I'm rendering out an animation in Cycles, I select the "CUDA" option in preferences, only ...
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Render frames in reverse

Is there anyway to render backwards? No, I do not want to play it backwards. I know how reverse output frames easily. I want to render backwards because I want to render on two machines that render ...
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25 views

How to hide mesh but keep reflections from surface

Is there a way to hide objects but keep reflections from their surface? I want create lighting overlays to use it with blend modes. This is example of what i'm trying to achieve This is my scene. I ...
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1answer
30 views

Replicating the World Ambient Occlusion setting on a per-shader basis

On the World tab, there's an Ambient Occlusion setting that allows you to sort of add indirect lighting to the scene. The manual says that this effect can also be applied on a per-shader basis using ...
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293 views

Cryptomatte - What Crypto00, Crypto01, Crypto02 means?

Why Render Layer node use several outputs, like for object pass CryptoObject00 CryptoObject02 CryptoObject04 and Cryptomatte node several inputs Crypto00 Crypto01 Crypto02 What I tried, ...
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54 views

Cycles render is too bright

I cannot seem to create a night time effect in a simple scene. Evee renders the scene as too dark and no matter what I do Cycles render is too bright. I have tried: 1) Disable all lights 2) Zero ...
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Using texture data from texture properties as node data in Cycles

either I'm clearly missing something or I misunderstood the concept, but I hit a wall with something that should be pretty easy (provided it is already implemented in Blender). I'm basically creating ...
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How do I reduce noise in renderings with Cycles? [duplicate]

I am new to Blender with v. 2.80 and I wanted to ask how to reduce the "noise" in renderings with Cycles. It just doesn't want to render it correctly.
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Metallic multiply shading works in Eevee render but not Cycles?

Ive got 2 different meshes for one armature, one for base textures, one to give some parts of that texture a metal shine using a mask to avoid the non metal bits. In Eevee this works fine as I can set ...
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composing cycles reflection

I understand that this question has been raised many times, but nowhere can I find an answer, how can I get a reflection of the glow on a transparent floor in composing? sorry if that .... ( in B- 2....
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Blender crashes randomly while using - OpenGL issue

I've been experiencing one particular problem for over two years without a solution. When using Blender (even just navigation in GUI), it randomly crashes. When I look to the Events Viewer, I get ...
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29 views

hair particles emit from faces outside vertex group

trying some basic hair particles for my model but whenver i render hair emits from the entire face rather than the vertex grp assigned even tho it is correct in the viewport.
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Blender Render is taking way too Long

I'm trying to render a 4k 360 video @ 60fps in Blender (2.8) and it is taking on average about 45 minutes a frame. My desktop spec is: i7-7740X @ 4.3GHz Nvidia RTX 2080 32gb DDR4 Ram I am running ...
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Viewport shader can't switch between wireframe/solid/material/render

I'm working on a project in blender 2.8, about 1.5 GB, and recently (only since adding animations) haven't been able to switch between the different viewport shading modes. No matter which I select ...
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29 views

Why my transparent object will cover the opaque objects overlapping it?

Although i know somebody has asked this kind of question already, he doesn't get a answer,and sorry for repost it, hoping someone could figure it out. Here's the problem. So I've got a transparent ...
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35 views

The Normal maps turned darker than on the other side

I'm studying on the new update of the 3d program, Blender 2.8. And I attempted to bake a normal map for the lowpolied twin angelic wings from the highpolied. I set up the nodes and adjusted the RGB ...
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183 views

Denoising Animations

on November 2018 Brecht und Lukas Stockner introduced a way to Denoise an animation after it is rendered. They are using more than one frame to produce a flicker free image. https://developer....
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115 views

Object with particle system doesn't appear but particles appear

Well I was following Blender Guru's latest tutorial and when I went on to render this happened. Although it shows up fine in both viewport solid and rendered,
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32 views

How to copy material texture settings between faces

I'm currently trying to create a scene in blender based of minecraft (because why not) and I'm having difficulty with texturing objects. I split the faces of the objects to that each face would be 1 ...
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28 views

Texture in edit and object view is a jumbled mess, in cycles render it looks correct

As title states, so far cross fingers my model looks ok with texture applied in cycles render view. However it recently became a mess of texture, all mixed around, scaled wrong, parts missing in ...
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Fluid simulation not baking when an obstacle is present

I've been messing around with this for hours now. When I have a fluid domain and a fluid object, it bakes just fine. As soon as I add an obstacle though, nothing happens when I bake. I've looked at ...
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Issue with Volume Absorption inside Glass

first time posting here and very new to blender, Im following BlenderGuru's latest tutorial and I'm having some issues with volume absorption, this is of course not a job, I don't have a deadline, so ...
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1answer
107 views

making an umbrella in blender

I am trying to make a material for the umbrella cloth. They have a specific sheen and reflective nature almost like silk and they tend to stand out from other type of clothes. I've been trying to ...
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95 views

Use incoming light as a mask?

I'm making a shader for people that relies heavily on the ability to take incoming light and use it as a way of blending 2 materials. For Eevee, it works perfectly. Take a diffuse shader, plug it into ...
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34 views

Rendering Grease Pencil objects on headless, no GPU render farm machines in Blender 2.8

Like many other posters, my company has been running into problems when trying to render Blender 2.8 scenes on headless, no GPU render machines. We are using AWS Thinkbox Deadline. We are able to get ...
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154 views

High resolution Output for Blender 2.8

I need some advice for the output settings in Blender 2.8... When I render an image with 2000px x 2000px the output has the resolution of 72x72. Now when I render the same image with 3000px x 3000px ...
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123 views

How to map vertex to particle (hair); or color particles with specific colors

I am trying to render CFD data in blender, where the CFD code generates output files that consist of particle positions and scalars. I have successfully loaded the data into blender and used a ...
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1answer
75 views

Blender 2.8 crashes while compiling scene

enter link description hereI have a new Mac Book Pro - with 32 gig of ram plenty of disk space. Every time I try to render a scene using cycles I get through 5-30 frames and blender crashes. Any ...
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Why isn't my image texture working?

I am currently using blender 2.8 and I was putting a texture on a plane, so it shouldn't have to be unwrapped, but it crashed and when I went to put it back on it just comes out as like an average ...
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1answer
55 views

I see a lot of noise and fireflies with Glass BSDF Shader

I made a cube in Blender. The cube has BSDF Glass shader. When I render it there is a lot of noise and fireflies. I tried everything: Change clamp, change light bounce, denoising, glossy filter, more ...
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1answer
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Blender 2.8 GPU Cycles Compatibility .. NVidia Quadro M1000M … Windows 10

Recently Blender 2.8 ... Windows 10. Cycles Rendering rejected a NVidia 670M Mobile Card in Laptop 01. Probably based on NVidia Compute Capability. Should I expect a NVidia Quadro M1000M to be ...
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bleder closing running out of memory

I'm rendering with 1060 ti and 16 Gb ram a model with a size of 633 Mb in 1920*1920 100 percent can anyone tell optimal render settings for doing my final render
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2answers
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blender automatically closes while rendering

I have to render a single frame and it's almost done every time for up to 80 percent and closes all of a sudden and that's totally screwing me up I set frame size to 1920*1920 and 100 percent render ...
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What does the “normal” socket of displacement node do?

I tried searching and there is no information about it. Blender manual says "to do" I did some experiment but still nothing is clear. Thank you.
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volume crashes with rx580

(viewport not final render)keeping crashing whenever i use volume with my rx580 it load the meshs and when it began to render it crash if i do not end task the blender in split of a sec my pc gose ...
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32 views

Cycles: Rendered Image's lighting doesn't illuminate as much as render view's lighting

For some reason I can't figure out, my render view does not match my rendered image when it comes to lighting. I've tried all sorts of different render configurations, lighting options (pictured ...
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55 views

My glass has a smudge

I made a cup with a glass by setting transmission to 1 and roughness to 0. So I somewhat made it like above. However, As you can see if you zoom in it. there are several points to improve such as ...
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14 views

Stop pie menu from coming up from ctl z

Every time I try to undo with Ctrl Z my pie menu comes up to ask me what view mode I want. Can I block this from coming up. I don't like pie menus. Using Blender 2.8 cycles.